package com.sky.controller.admin;

import com.github.pagehelper.Page;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*
* 菜品管理
* */
@Slf4j
@RestController
@Api(tags ="菜品相关接口" )
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private DishService dishService;


    @ApiOperation("新增菜品")
    @PostMapping("")
    public Result save(@RequestBody DishDTO dishDTO)
    {
       dishService.saveWithFlavor(dishDTO);
       //处理redis缓存数据
       String key="dish_"+dishDTO.getCategoryId();
       ClearCache(key);
       return Result.success();
    }
    /*
    * 根据分类id查询菜品
    * */
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId)
    {
        log.info("根据id查询菜品：{}",categoryId);
       List<Dish> list= dishService.list(categoryId);
        return  Result.success(list);
    }

    /*
    *
    * 菜品分页查询
    * */

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult>page(DishPageQueryDTO dishPageQueryDTO)
    {
        log.info("菜品分页查询： {}",dishPageQueryDTO);
      PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
      return Result.success(pageResult);
    }
    /*
    * 删除菜品(批量)
    * */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public  Result delete(@RequestParam List<Long> ids)
    {
        log.info("菜品批量删除: {}",ids);
        dishService.deleteBatch(ids);
        //将所有缓存数据清理掉
       ClearCache("dish_*");
        return  Result.success();
    }

    /*
    * 根据id查询菜品
    * */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public  Result<DishVO> getById(@PathVariable Long id)
    {

        log.info("根据id查询菜品: {}",id);
      DishVO dishVO= dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }
    /*
    * 修改菜品
    * */

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO)
    {
        log.info("修改菜品： {}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        ClearCache("dish_*");
        return Result.success();
    }

    /*
    * 起售或停售菜品
    *
    * */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售或停售")
    public  Result<String> startOrStop(@PathVariable Integer status,Long id)
    {
        log.info("菜品起售或停售：{}，{} ",status,id);
        dishService.startOrStop(status,id);
        ClearCache("dish_*");
        return  Result.success();
    }
    /*
    * 清理缓存数据
    * */
    public void ClearCache(String pattern)
    {
        Set keys= redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }
}
